Seats
&
Restraint Systems
2.
When the bike hits the block, it
stops. But the child keeps going!
Why
Safety
Belts
Work
When
you
ride in
or
on anything,
you
go
as fast as it goes.
1.
For
example, if the bike
is
going
10
mph
(16
km/h).
so
is the child.
3.
Take the simplest vehicle. Suppose
it's just a seat on wheels.
4.
Put someone on it.
'8.
18
5.
Get it up to speed. Then stop the
vehicle. The rider doesn't stop.
6.
The person keeps going until stopped
In
a
real
vehicle, it
could
be
the windshield
...
by
something.